Re: [Elecraft] MH4 Microphone Questions

[Don Wilhelm]

Steve,

Since the microphone element is the same as that used in the MH2 and MH3 
microphones, I would expect the same audio quality.


Yes, the dimensions are the same as the Icom HM-36.  I just compared 
them at the Shelby, NC hamfest.


73,
Don W3FPR

On 9/3/2017 9:09 AM, Steve Kavanagh via Elecraft wrote:



Has anyone tried out the MH4 for audio quality yet?

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Re: [Elecraft] MH4 Microphone Questions

[Don Wilhelm]

Bill,

I would suggest that it would be much easier to create an adapter for 
the MH3 to an 8 pin Foster plug - an 8 pin Foster jack to a 3.5mm plug 
would be quite cumbersome and clumsy in comparison to the size and 
portability of the KX2/KX3.  The PTT connection would be easy (PTT goes 
to ground), but if you also wanted the UP and DN buttons to work, you 
would have to add some level sensing circuitry whose outputs would be 
connected to the UP and down input pins on the Foster connector.


Look at the schematic of the KX2/KX3 mic connections and compare the 
output to the pinout of the K3(S) mic connector and you will see the 
difficulty.


So I think the adapter that you have suggested would not be practical 
for the KX2/KX3.


73,
Don W3FPR

On 9/3/2017 6:34 PM, Bill Johnson wrote:

Wayne, will you offer a mic adapter to also use with KX@ and KX3?

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Re: [Elecraft] MH4 Microphone Questions

[Bill Johnson]

Wayne, will you offer a mic adapter to also use with KX@ and KX3?

73,
Bill
K9YEQ

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick
Sent: Sunday, September 3, 2017 3:05 PM
To: Steve Kavanagh <skavanag...@yahoo.ca>
Cc: Elecraft Reflector <elecraft@mailman.qth.net>
Subject: Re: [Elecraft] MH4 Microphone Questions


> On Sep 3, 2017, at 6:09 AM, Steve Kavanagh via Elecraft 
> <elecraft@mailman.qth.net> wrote:
> 
> I find the MH2 a bit on the large side for my hands, so the MH4 looks 
> interesting to me.  The case appears to be identical to the Icom HM-36,which 
> I use with one of my K2s and find very comfortable to hold.  
> 
> Can anyone confirm that the dimensions match?  

They do. It’s the same size as our MH3, used with the KX2 and KX3.


> 
> Has anyone tried out the MH4 for audio quality yet?

We’ve done a lot of in-house testing of the MH4, and it works great. This isn’t 
surprising given that it’s the same element we used in the MH3.

73,
Wayne
N6KR
 

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Re: [Elecraft] MH4 Microphone Questions

[Phil Hystad]

I agree, thanks Wayne and Eric and Elecraft.  In the year that I bought my 
first transmitter, the
MH4 would have cost (if we go backwards on inflation) about $7.25.  That was 
back in 1960.
So, not a bad deal at all, seems very cheap in fact.  Of course, I didn’t need 
a mic for that transmitter back then, my Eico 720 was CW only.

By the way, just ordered the MH4.
> On Sep 3, 2017, at 1:22 PM, Steve Kavanagh via Elecraft 
>  wrote:
> 
> Thanks, Wayne.  Very tempting!
> 
> 73,
> Steve VE3SMA
> 
> On Sun, 9/3/17, Wayne Burdick  wrote:
> 
>> Can anyone confirm that the dimensions match?  
> 
> They do. It’s the same size as our MH3, used with the KX2 and KX3.
> 
>> Has anyone tried out the MH4 for audio quality yet?
> 
> We’ve done a lot of in-house testing of the MH4, and it works great. This
> isn’t surprising given that it’s the same element we used in the MH3.
> 
> 73,
> Wayne
> N6KR
> 
> 
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Re: [Elecraft] MH4 Microphone Questions

[Steve Kavanagh via Elecraft]

Thanks, Wayne.  Very tempting!

73,
Steve VE3SMA

On Sun, 9/3/17, Wayne Burdick  wrote:

  > Can anyone confirm that the dimensions match?  
 
 They do. It’s the same size as our MH3, used with the KX2 and KX3.
  
 > Has anyone tried out the MH4 for audio quality yet?
 
 We’ve done a lot of in-house testing of the MH4, and it works great. This
 isn’t surprising given that it’s the same element we used in the MH3.
 
 73,
 Wayne
 N6KR
  
 
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Re: [Elecraft] MH4 Microphone Questions

[Wayne Burdick]

> On Sep 3, 2017, at 6:09 AM, Steve Kavanagh via Elecraft 
>  wrote:
> 
> I find the MH2 a bit on the large side for my hands, so the MH4 looks 
> interesting to me.  The case appears to be identical to the Icom HM-36,which 
> I use with one of my K2s and find very comfortable to hold.  
> 
> Can anyone confirm that the dimensions match?  

They do. It’s the same size as our MH3, used with the KX2 and KX3.


> 
> Has anyone tried out the MH4 for audio quality yet?

We’ve done a lot of in-house testing of the MH4, and it works great. This isn’t 
surprising given that it’s the same element we used in the MH3.

73,
Wayne
N6KR
 

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[Elecraft] MH4 Microphone Questions

[Steve Kavanagh via Elecraft]

I find the MH2 a bit on the large side for my hands, so the MH4 looks 
interesting to me.  The case appears to be identical to the Icom HM-36,which I 
use with one of my K2s and find very comfortable to hold.  

Can anyone confirm that the dimensions match?  

Has anyone tried out the MH4 for audio quality yet?

73,
Steve VE3SMA
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